Is Fira Tap Water Safe To Drink?
No, it's not advisable to drink the tap water.
Tap water in Fira, Santorini, is treated and generally meets Greek and European drinking-water safety standards. It is considered safe to drink from the public supply.
Many residents and visitors prefer bottled water because Fira’s water can taste salty or highly mineralized, and quality may vary in older building plumbing or private tanks. Use bottled water if local signs or your accommodation specifically advise against drinking from the tap.
Last checked: 2026-08-31
Greece is ranked as number 17 globally with a score of 92% in the water quality EPI research conducted by Yale University.
Source of Water in Fira, Greece
Tap water in Fira comes mainly from local desalination plants and groundwater wells managed by the municipal water utility of Thera. The treated water is stored in reservoirs and distributed through the island’s public water network.
Santorini has very limited natural freshwater and no significant rivers or lakes. Desalination is therefore an essential part of Fira’s municipal water supply, especially during the dry summer season.
Fira Drinking Fountains
Public drinking fountains in Fira should be used only when clearly marked as drinking water and maintained by the local authority. Potable fountains supplied through the municipal network generally meet Greek and European drinking water standards.
Avoid using unmarked or poorly maintained fountains, since water may come from storage tanks or non-potable supplies. When signage is absent, bottled water is the safer choice.
Drinking Water Map
Here is a map showing all the locations of drinking water spots in Fira. You can click on each water drop to open the spot directly in Google Maps for directions. For easy access on the go, download our iOS app to find water fountains nearby.
Nearby Places
About the Author
Hi, I'm Emily Hartman, a researcher and water quality specialist with a background in public health.
I've spent the last few years studying how everyday water systems impact our health, and I'm passionate about making that information clear and useful for everyone.
Safe, clean tap water isn't just my job, it's something I truly care about.